730878660 has 48 divisors (see below), whose sum is σ = 2273846400. Its totient is φ = 194900832.

The previous prime is 730878641. The next prime is 730878683. The reversal of 730878660 is 66878037.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676200 + ... + 677279.

It is an arithmetic number, because the mean of its divisors is an integer number (47371800).

Almost surely, 2^730878660 is an apocalyptic number.

It is an amenable number.

730878660 is an abundant number, since it is smaller than the sum of its proper divisors (1542967740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730878660 is a wasteful number, since it uses less digits than its factorization.

730878660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353497 (or 1353489 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 730878660 is about 27034.7676150545. The cubic root of 730878660 is about 900.7724479483.

The spelling of 730878660 in words is "seven hundred thirty million, eight hundred seventy-eight thousand, six hundred sixty".